Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8249914 | Service supporting system, service supporting server and service supporting method | — | 2012-08-21 |
| 7807657 | Separate type medical material | Yoshiaki Miyata, Yasukazu Himeda, Masamichi Hashimoto, Teruzou Miyoshi | 2010-10-05 |
| 7514097 | Use of soluble cellulose derivative having been made hardly soluble in water and process for producing the same | Yasukazu Himeda | 2009-04-07 |
| 7014860 | Hyaluronic acid gel, process for producing the same, and medical material containing the same | Masatoshi Kawata, Akio Okamoto, Yoshiaki Miyata, Kazuhiro Ohshima, Osamu Yamamoto +4 more | 2006-03-21 |
| 6671375 | Telephone circuit | Takeshi Fukuju, Yoshiro Hasegawa | 2003-12-30 |
| 6638538 | Hyaluronic acid gel composition, process for producing the same, and medical material containing the same | Masamichi Hashimoto, Kazuhiko Arai, Yoshiaki Miyata, Osamu Yamamoto, Yasukazu Himeda | 2003-10-28 |
| 6635267 | Hyaluronic acid gel, process for the preparation thereof and medical materials containing the same | Teruzou Miyoshi, Hironoshin Kitagawa, Kazuhiko Arai, Hiroshi Kaneko | 2003-10-21 |
| D464644 | Telephone exchange equipment | Takashi Ohwada, Hiroshi Yoshikawa | 2002-10-22 |
| D457509 | Telephone | Takashi Ohwada | 2002-05-21 |
| D422977 | Electronic exchange | Shingo Hirose, Shirou Fujimori, Hiroshi Yoshikawa | 2000-04-18 |
| 5499922 | Backing chorus reproducing device in a karaoke device | Itsuma Tsugami | 1996-03-19 |
| 5453570 | Karaoke authoring apparatus | Tomoyuki Tanaka, Masaaki Hamada, Yasuhiro Maruyama | 1995-09-26 |
| 5268904 | ISDN terminal equipment control method | — | 1993-12-07 |